1: (0 2 4)

(0)(1 21 3)(2 20 18 12 4 7 5)(6 17 14 10 8)(9 13 11)(15 19 16)

2: (1 21 3)

(0)(1)(2 20 18 12 4 7 5)(3)(6 17 14 10 8)(9 13 11)(15 19 16)(21)

3: (4 7 12)

(0)(1)(2 20 18 12 5)(3)(4)(6 17 14 10 8)(7)(9 13 11)(15 19 16)(21)

4: (6 17 8)

(0)(1)(2 20 18 12 5)(3)(4)(6)(7)(8 14 10)(9 13 11)(15 19 16)(17)(21)